Shallot aphid

Petioles are shortened and leaves curled and twisted. Blossom trusses are also affected, fruits remain small and yield is reduced. On bulbs and shallot, the aphids [...] shallots, strawberries, lettuce, brassicas and potatoes and many ornamentals . The shallot aphid is cosmopolitan and widely spread in Europe. Damage symptoms [...] plants. Life cycle and appearance of The shallot aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety

Buckthorn-potato aphid

viruses. Life cycle and appearance of Buckthorn-potato aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety [...] other crops, for instance sweet pepper, tomato, aubergine, strawberries and gerbera and worldwide distribution. Damage symptoms Direct damage, caused by sucking [...] moult they shed white skin, betraying their presence in the crop. Wingless females of the buckthorn- potato aphid are 1.1-2.4 mm long and bright pale green

Japanese beetle

are about 1.5 mm long and translucent white. There are three instars. First and second instars reach a length of approximately 11 and 19 mm, respectively [...] about 2 weeks, and the young larvae begin feeding on fine roots and organic matter. They moult and become second-instars after 2-3 weeks, and third-instars [...] foliage at the top of a plant and working downwards. The larvae are most abundant in well-kept lawns and golf courses, and less often in pastures. The grub

Stratiolaelaps scimitus (Hypoaspis miles)

thrips pupae and other soil-dwelling insects. The mites appear in and on the soil and at the base of plant stems and offer a sustainable and environmentally [...] brown legs, and brown mouthparts. The females are larger than the males, and have a white stripe on the rear end of the body. The eggs, larvae, and first nymphal [...] larvae of sciarid flies , thrips pupae and other soil-dwelling insects. The mites appear in and on the soil and at the base of plant stems. The reduction

Larvanem

weevils and other beetles in a wide range of crops. Pests Beetles (Coleoptera): Weevils (Curculionidae): Black vine weevil (Otiorhynchus sulcatus ) and other [...] information. Timing Timing and frequency depend on the pest species and the crop environment (relative humidity, soil moisture and temperature). Consult a [...] (water temperature: 15-20°C/59-68°F Stir well and leave the contents to soak for five minutes Stir again and pour the contents of the bucket into the half-filled

Broad mite

the surface and are rather large (about 0.07 mm) compared with the subsequent, active stages. They are transparent and speckled with white dots. The larva [...] but is slightly smaller and has only three pairs of legs. The emerging adult mite is roughly 0.2 mm long, oval and broad, and pale yellow or yellow-green [...] peppers, but also aubergine, tomato and cucumber. Additionally, many ornamental crops such as azalea, begonia, gerbera and cyclamen are also affected. Outside

Phytophthora blight

leaves and fruits. Late blight or Phytophthora blight (Phytophtora infestans f.sp. infestans ) causes water-soaked lesions with vague borders and white fluffy [...] es between 15 and 23 °C and higher water content than is optimal for crop growth. Phytophthora overwinters in roots, infected tubers and bulbs or in the [...] growing root tips promote germination and attract the zoospores. The pathogen grows into the stem and on the plant surface and new sporangiophores (structures

Spotted Wing Drosophila

spread extensively in North and South America and Europe where it has caused severe yield losses in many berry crops, cherries and grapes. Damage symptoms [...] used to penetrate the skin of the host fruit and for laying the egg into the fruit. Eggs are white, 0.6 long and 0.2 mm wide. Each egg has two respiratory [...] blueberries, strawberries) and stone fruits (e.g. cherries, plums) being particularly susceptible to infestation. Life cycle and appearance of Spotted wing

Aphidius colemani

remains dry and is not moved from its introduction site for at least a few days The dosage of Aphipar depends on climate, crop and aphid density and should [...] wings, and is black with dark brown legs. A female has a more pointed abdomen that is as long as the wings, is equipped with an ovipositor, and is black [...] the Braconidae family and is primarily known for its effectiveness in controlling aphid populations in various agricultural and horticultural environments

Rose

rose plant can vary in shape and size, but are often ornate and bright coloured. Colours range from white to yellow, pink and orange to red, the most popular [...] the flowers the plant bears. There are more than one hundred rose species and thousands of different cultivars. The rose is a woody, perennial plant which